condition mean min max 12pM Fe,Midday 141.99 141.99 141.99 12pM Fe,Midnight 92.8637 85.6924 100.035 58pM Fe,Midday 91.3281 91.3281 91.3281 58pM Fe,Midnight 85.7814 76.2348 101.356 233pM Fe,Midnight 64.74646666666666 61.7419 69.1072 1160pM Fe,Midday 75.94669999999999 70.5328 87.1591 1160pM Fe,Midnight 59.0521 44.7303 71.5955 High carbon,Dark 59.28558 22.1429 130.598 High carbon,Light 52.638238461538464 7.7244 114.564 Low carbon,Dark 31.505 31.505 31.505 Phloroglucinol 81.92403333333333 61.1029 98.4211 Silicon starvation,12h 49.3162 49.3162 49.3162